You're playing Gran Turismo 3, but don't have much money? You can try for ever and ever to get lots of credits, or use this way to get 10 million credits instantly. Not that this is not a cheat, it just involves another game.

Steps

1

Buy Gran Turismo: 2002 Tokyo-Geneva if you don't have it, or get it out if you do have it.

2

Complete all driving licence sections in GT 2002.

3

Follow the steps it tells you to get the points.

4

Insert your GT3 disc into the console, and go in to Gran Turismo mode. You will see that you have ten million more points than before.